Photo: TravelingOtter · CC BY 2.03 homes sold in Keystone in the last year, at a typical $522K
Almost every sale is a house. Below: a shortcut to every site where Keystone homes are listed.
Every place Keystone homes are listed, in one stop
We don’t copy listings: the agents’ sites have the photos and the latest price changes. Set what you want once and we open each site already filtered to Keystone.
For sale
Rent
New, land & open houses
Links open the listing sites; TownRatings isn’t paid for them and doesn’t rank one above another. Rentals and government-owned homes come from sources outside the MLS.
Three things worth knowing
Typical commute
The average one-way trip to work for people who live in Keystone.
Work & commuteCheck the flood map
Flood insurance isn’t in a standard policy, and lenders require it in FEMA flood zones. Check the address before you make an offer.
Natural hazardsLook up any property
Assessed value, lot size and every past sale of a home you’re eyeing are public, at the town or county assessor and the registry of deeds.
Post your home to Keystone, free
Selling it yourself, renting out an apartment or looking for a roommate? Post it to Keystone. People who follow the town see it, and so do people comparing Keystone with their own town. No commission, no listing fee.
Questions about buying a home in Keystone
What do homes sell for in Keystone, SD?
3 homes sold in the year to September 2025 at a typical $522K, $303 a square foot.
Where can I see homes for sale in Keystone?
Zillow, Redfin, Realtor.com and Homes.com all carry Keystone’s MLS listings; the search links above open each one filtered to Keystone.
Sales, prices, days on market and listings: Redfin Data Center (MLS, monthly, not seasonally adjusted). Property tax rate: Census American Community Survey. Two-bedroom rent: HUD Fair Market Rent. Typical home value: Zillow Home Value Index. Schools grade: TownRatings (how grades work).